Multiply using the FOIL method.(3 + x)(-9 + x)

A. x2 - 27x - 6
B. x2 - 6x - 6
C. x2 - 6x - 27
D. x2 - 7x - 27


Answer: C

Mathematics

You might also like to view...

Sketch the graph of the equation. Identify the vertex and the intercepts.y = -4x2 - 8x - 8

A. Vertex (-1, -4)
x-intercepts: none
y-intercept: 
 
B. Vertex (1, -4)
x-intercepts: none
y-intercept (0, -8)
 
C. Vertex: (-1, -4)
x-intercepts: none
y-intercept: (0, -8)
 
D. Vertex (1, -4)
x-intercepts: none
y-intercept 

Mathematics

Convert the radian measure to degrees. Round to the nearest hundredth if necessary.

A. 0.523°
B. °
C. 30?°
D. 30°

Mathematics

Find a polynomial with real coefficients that has zeros -1, 3i, and -3i.

A. x3   + 9x2   + x   + 9 B. x3   + x2   - 9x   - 9 C. x3  + x2   + 3x   + 3 D. x3 + x2 + 9x + 9 E. x3   - x2  + 9x   - 9

Mathematics

Use the rules for multiplication of measurements to evaluate. 

A. 34,421,600
B. 30,000,000
C. 34,000,000
D. 33,850,000
E. 33,800,000

Mathematics